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US3766511A
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Thermistors
Assignee: General Electric Co
•
Filing: 1972-12-26
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Granted: 1973-10-16
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Expires: 1992-12-26
Abstract
Abstract Thermistors are provided in which the thermally sensitive semiconducting material has the formula:
Inventors
- 👤 Vries R De
- 👤 J Fleischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:43
CPC Classifications
H; H01; H01C; H01C7/00; H01C7/04; H01C7/042; H01C7/043
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
11 words
The thermistor device of claim 1, wherein said material is PbO.PbCrO4.
Claim 2
Dependent Claim
11 words
The thermistor device of claim 1, wherein said material is PbO.PbMoO4.
Claim 3
Dependent Claim
32 words
The thermistor device of claim 1, wherein said material is a mixture of PbO.PbCrO4 and PbO.PbZ''O4, wherein Z'' is a member selected from group consisting of molybdenum, tungsten, sulfur and mixtures thereof.
Claim 4
Dependent Claim
10 words
The thermistoR device of claim 4, wherein Z'' is molybdenum.
Claim 5
Dependent Claim
18 words
The thermistor device of claim 1, wherein said semiconducting element is in the form of a single crystal.
Claim 6
Dependent Claim
14 words
The thermistor device of claim 1, wherein said semiconducting element is a polycrystalline material.
Claim 7
Dependent Claim
16 words
The thermistor device of claim 1, wherein said semiconducting element is encapsulated in a protective material.
References Cited (Backward Citations)
US2700720A
Cited
US3231522A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-10-15 | 1977-04-16 | 1977-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-15 | 1981-04-16 | 1981-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-15 | 1985-04-16 | 1985-10-16 | $7700.00 | Window Closed / Lapsed |